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Allowance for Loan and Lease Losses - Average Recorded Investment and Interest Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Originated Loans and Leases |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance | $ 9,058 | $ 13,650 | $ 11,746 | $ 11,946
Interest Income Recognized With No Related Allowance | 0 | 0 | 0 | 0
Average Recorded Investment With Related Allowance | 2,272 | 1,336 | 1,193 | 803
Interest Income Recognized With Related Allowance | 0 | 0 | 0 | 0
Total Average Recorded Investment | 11,330 | 14,986 | 12,939 | 12,749
Total Interest Income Recognized | 0 | 0 | 0 | 0
Total Acquired Loans |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance | 3,420 | 3,535 | 3,522 | 3,741
Interest Income Recognized With No Related Allowance | 0 | 0 | 0 | 0
Average Recorded Investment With Related Allowance | 0 | 37 | 0 | 15
Interest Income Recognized With Related Allowance | 0 | 0 | 0 | 0
Total Average Recorded Investment | 3,420 | 3,572 | 3,522 | 3,756
Total Interest Income Recognized | 0 | 0 | 0 | 0
Commercial and industrial | Originated Loans and Leases | Other |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance | 1,331 | 3,227 | 2,352 | 2,104
Interest Income Recognized With No Related Allowance | 0 | 0 | 0 | 0
Average Recorded Investment With Related Allowance | 693 | 1,300 | 487 | 789
Interest Income Recognized With Related Allowance | 0 | 0 | 0 | 0
Commercial and industrial | Total Acquired Loans | Other |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance | 12 | 270 | 35 | 138
Interest Income Recognized With No Related Allowance | 0 | 0 | 0 | 0
Commercial real estate | Originated Loans and Leases | Other |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance | 3,718 | 6,407 | 5,400 | 6,084
Interest Income Recognized With No Related Allowance | 0 | 0 | 0 | 0
Average Recorded Investment With Related Allowance | 1,579 | 36 | 706 | 14
Interest Income Recognized With Related Allowance | 0 | 0 | 0 | 0
Commercial real estate | Total Acquired Loans | Other |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance | 851 | 1,479 | 896 | 1,637
Interest Income Recognized With No Related Allowance | 0 | 0 | 0 | 0
Average Recorded Investment With Related Allowance | 0 | 37 | 0 | 15
Interest Income Recognized With Related Allowance | 0 | 0 | 0 | 0
Commercial real estate | Total Acquired Loans | Construction |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance |  |  | 0 | 0
Interest Income Recognized With No Related Allowance |  |  | 0 | 0
Residential real estate | Originated Loans and Leases | Home equity |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance | 4,009 | 4,016 | 3,994 | 3,758
Interest Income Recognized With No Related Allowance | 0 | 0 | 0 | 0
Residential real estate | Total Acquired Loans | Home equity |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Average Recorded Investment With No Related Allowance | 2,557 | 1,786 | 2,591 | 1,966
Interest Income Recognized With No Related Allowance | $ 0 | $ 0 | $ 0 | $ 0

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